1/Which underlined sound is pronouced differently in each group?
1.th
A.breathe
B.fourth
C.tooth
D.warmth
2.a
A.class
B.plastic
C.back
D.grandparent
3.ed
A.plloted
B.prepared
C.recycled
D.watered
4.ear
A.hear
B.clear
C.bear
D.fear
5a
A.can
B.ask
C.have
D.understand